UP3D UP500 User Manual page 41

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A4.Hold down the Ctrl key to click or frame the marked connected region for deduction.
【Visible】
Select visible is only used for mesh models, not for point cloud models, and only rectangle,
polygonal, lasso selection tools can support the features;
The covered area will not be marked (non-through selection) when activated, the covered area
will be marked for selection (through selection) when closed.
 The following operations can be performed on the selected area after selecting the area through
the above selection tool.
A1.Hot key【Ctrl + C】,Clearing all selected areas;
A2.Hot key【Ctrl + R】,Inverse the selected areas
A3.Click【Delete Selected Data】or press the【Delete】key to delete the area marked red
Model editing tools-Hole filling tool
（3）
Please note, not all the holes need to be filled when you select a hole to be filled.
【Hole filling】
Operation:
A1.Click【Hole filling】to enable or disable Hole detection function. The software will
automatically detect the hole with a blue line when activated.
A2.Move the mouse to the blue border, the blue border turns red, click to perform the fill hole.
【One-key filling】
Operation:
A1.It will display the【One-key filling】icon after clicking【Filling】,you can turn it on or off. It
will automatically display 【hole threshold】if you turn it on, the holes within the threshold range
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